Question

alpha and beta are the roots of the quadratic polynomial P (x) =x^2- (K + 6) x + 2 (2k -1) find the value of k if alpha + beta = 1/2 Alpha Beta

Answer 1

We know that,
alpha+bita=-b/a
So, 1/2=K+6/1
2k+12=1
k=-11/2
I hope it will help you
please mark as brainliest answer

Answer 2

alpha + beta = -b / a
alpha beta = c / a
so by
applying the condition
we get
k = 7